In the world of advanced electronics and power systems, reliability and performance are crucial. This is where the DPB Series THB Grade Box-Type DC-Link Film Capacitors shine, offering high robustness in extreme environments with superior performance, making them an ideal solution for various industrial and renewable energy applications.

Why Choose the DPB Series?

- Advanced Thermal Stability:

The DPB capacitors maintain optimal performance even in high humidity and elevated temperatures, meeting the stringent requirements of THB Grade IIIB (85°C, 85% RH, 1000h).

- Flexible Application Range:

From automotive to industrial energy storage, these capacitors are versatile, able to withstand high ripple currents, ensuring stability in power-critical environments.

Key Features:

- Long Lifespan and Reliability:

Designed with a dry-type structure, these capacitors can operate efficiently in high-temperature (up to 105°C) and high humidity (up to 85% RH) environments. They offer a remarkable lifespan of up to 25 years, ensuring long-term reliability in demanding conditions.

- High Performance:

The capacitors feature a high-voltage, self-healing metallized polypropylene film, making them suitable for filtering and energy storage in DC-link circuits. With a rated voltage range of 400-2000V DC and capacitance values from 1 to 500μF, they are tailored for various power conversion systems, including solar inverters and motor drives.

- Enhanced Protection:

The DPB series offers exceptional resistance to voltage fluctuations and high ripple currents, providing increased durability and protection for power systems that face constant electrical stress.

Applications:

These capacitors are ideal for a variety of applications:

- Renewable Energy:

DPB capacitors are frequently used in solar inverters and UPS systems where durability and high performance are required.

- Industrial Systems:

Their robust design makes them a perfect fit for motor drives, welding equipment, and other heavy-duty industrial applications, where high capacitance density is critical.

- Power Electronics:

They also excel in frequency converters and energy storage systems, offering enhanced efficiency in smoothing and filtering DC power.

Electrical Characteristics:

With a temperature range of -40°C to +85°C and capacitance tolerances of ±5% or ±10%, the DPB capacitors are designed to perform reliably in harsh conditions. Their self-healing technology and high insulation resistance (R*C≥5000s) ensure minimal power loss and superior performance across various applications.

By choosing the DPB Series, you are investing in capacitors that are built to withstand the test of time and extreme conditions, ensuring reliable performance across multiple industries.

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